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OFR 99–0557: Colorado Digitized Aeromagnetic Projects
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No
Name
Flown By
Date Flown
Spacing
Dir
Altitude
LnMi
Datum
Publication
0042 South Colorado Plateau1&2 USGS 08/1953-11/1953 1 mi. E-W 8500 B
8792
 Tot.field, arb.datum P-736
0044 Uravan USGS 02/1952-09/1952 2 mi. E-W 500 AG
2500
 Tot.field, arb.datum P-316A
0128 North Colorado Plateau2 USGS 02/1955 1 mi. E-W 8500 B
3620
 Tot.field, arb.datum P-736
0211 La Sal Mountains '55 USGS 09/1955 1 mi. E-W 12,500 B
590
 Tot.field, arb.datum P-316F
0243 La Sal Mountains '56 USGS 08/1956 1 mi. E-W 12,500 B
506
 Tot.field, arb.datum P-316F
0262 Florence Canyon-Westwater2 USGS 08/1956 1 mi. E-W 8500 B
804
 Tot.field, arb.datum P-736
0367 Rocky Flats ARMS USGS 09/1960-10/1960 1 mi. E-W 500 AG
6600
 Tot.field, arb.datum GP-557,505r
0557 North Park USGS 10/1965 1 mi. E-W 13,000 B
2900
 Tot.field, arb.datum 78-552
0603 Durango '67 USGS 04/1967 1 mi. E-W 14,500 B
2760
 Tot.field, arb.datum GP-840
0611 North Park-Central City 67 USGS 07/1967 1 mi. E-W 14,000 B
4645
 Tot.field, arb.datum 68-295
0636 Durango '683 USGS 04/1968 1 mi. E-W 14,500 B
3700
 Tot.field, arb.datum 69-211
0672B Colorado Regional West4 USGS 09/1969-03/1970 5 mi. E-W 14,500 B
3500
 IGRF65 GP-836
0690 West Elk USGS 07/1970 1 mi. N-S 13,500 B
620
 Tot.field, arb.datum 78-817
1008 North Park Extension USGS 05/1972-06/1972 1 mi. N-S 12,000 B
477
 Tot.field, arb.datum 78-552
1120 Mt. Massive5 USGS 02/1984-03/1984 0.5 mi. E-W 1000 AG
2010
 IGRF80 85-735
2201 West Elk Extension USGS 09/1973 1 mi. N-S 13,500 B
390
 Tot.field, arb.datum 78-817
2230 Comanche Big South USGS 06/1975 1 mi. E-W 13,000 B
350
 Tot.field, arb.datum 78-552
3059 Chama Aerial 09/1974-11/1974 1 mi. E-W 12,000 B
382
 POGO, 53675 76-420
3060 Maroon Bells Aerial 09/1974-11/1974 1 mi. E-W 14,000 B
1814
 POGO, 54586 79-1449
3163 Hunter Frying Pan5 LKB 04/1979-05/1979 0.5 mi. N-S 1000 AG
250
 IGRF75, 51300 79-1226
4067 Buffalo Peaks5 HighLife 11/1981 0.5 mi. N70E 1000 AG
405
 IGRF75, 55288 82-978

1 The Colorado portion of Project 0042 has been digitized twice. See Utah for the other version.
2 See Utah Project 0042. Projects 0128 and 0262 are fully merged with Utah Project 042.
3 See Project 0603. Project 0636 is fully merged with 0603.
4 Only the part of Project 0672B south of 39° was digitized.
5 Project 1120 may contain parts of digital Projects 3163 and 4067.

Click on the individual survey numbers that are of interest to download ASCII XYZ file to your hard drive or click on the name to view a point plot.

Description of Table

No.: Internal USGS identification number
Name: Internal project name (not always the name used in publication title)
Flown By: Company or government agency who flew the original survey
Spacing and Dir.: Primary flight-line spacing and primary flight-line direction
Altitude: Primary flight altitude in feet; B = barometric elevation, AG = above ground draped over topography
LnMi.: Approximate total of line miles flown for this survey
Datum: Indicates if a regional field was removed and, if it could be determined, the base value removed. Total field = no regional was removed. Arb. (arbitrary) datum = the base value removed was not stated on the map.
Publication: Brief publication reference*. USGS publications are listed as: Open-File reports = xx-yyyy where xx is the publication year, Bulletins and Professional Papers = B-yyyy or P-yyyy, Geophysical Maps = GP-yyyy, Miscellaneous Field Studies Maps = MF-yyyy, Miscellaneous Investigations Maps = I-yyyy, Unpub = unpublished data, refers to all or part of the original project area.

*For more complete references see: Hill, P.L., 1991, Bibliographies and location maps of publications on aeromagnetic and aeroradiometric surveys for the states east of the Mississippi River south of the Ohio and Potomac rivers, U.S. Geological Survey Open-File Report 91-0370-D, 67 p. 

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Further information about aeromagnetic data from the state of Kentucky can be obtained by contacting Pat Hill, (303) 236-1343, email (pathill@usgs.gov), or Bob Kucks, (303) 236-1405, email (rkucks@usgs.gov), or click the button below.
 

Map of Composite 
and Merged 
Aeromagnetic Data for 
Colorado
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This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial Standards. Use of brand names is for descriptive purposes and does not constitute endorsement by the U.S. Geological Survey.

Last modified 9/14/1999.

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